<template>
	<div class="wrapper">
		<swiper :options="swiperOption"  v-if="showSwiper">
		    <swiper-slide v-for="item of list" :key="item.id">
		    	<img class="swiper-img" :src="item.imgUrl" />
		    </swiper-slide>
		    <div class="swiper-pagination"  slot="pagination"></div>
	  </swiper>
	</div>
</template>
<script>
	export default {
		name: 'HomeSwiper',
		props: {
			list: Array
		},
		data ()	{
			return{
				swiperOption: {
					pagination: '.swiper-pagination',
					loop: true,
					autoplay: 3000
				}
				
			}
		},
		computed: {
			showSwiper () {
				return this.list.length //不要在组件上出现逻辑性的代码，解决默认第四张图改为第一张
			}
		}
	}
</script>
<style lang="stylus" scoped>
.wrapper >>> .swiper-pagination-bullet-active
	background:#fff
.wrapper
	width:100%
	overflow:hidden
	background:#eee;
	height:0
	padding-bottom:31.25%
	.swiper-img
		width:100%
</style>